{"product_id":"1746-im8-1746im8-allen-bradley-slc-500-240v-ac-input-module","title":"1746-IM8 1746IM8 Allen-Bradley SLC 500 240V AC Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1746-IM8 1746IM8\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746-IM8\/A\u003c\/strong\u003e 240V AC Input Module, operates as a dedicated hardware component for capturing eight discrete 200\/240 VAC field input signals within SLC 500 automation control architectures.\u003c\/p\u003e\n\u003ch3\u003eCatalog Nomenclature \u0026amp; Model Suffix Breakdown\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eClassification Tier\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Platform\u003c\/td\u003e\n\u003ctd\u003eSLC 500 Modular Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Catalog Model\u003c\/td\u003e\n\u003ctd\u003e1746-IM8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Spare Identifier\u003c\/td\u003e\n\u003ctd\u003e1746IM8 \/ 1746-IM8\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Technical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1746-IM8 1746IM8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 cm x 13.0 cm x 14.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C (32 deg F to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.0 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 discrete AC points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e200\/240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus \u0026amp; Network Communication Parameters\u003c\/h3\u003e\n\u003cp\u003eThe hardware utilizes backplane bus communication velocity licences to maintain deterministic status polling across discrete AC channels. I\/O density scaling capabilities allow operators to expand 240 VAC sensor arrays across available backplane slots without violating bus timing constraints or scan interval limits. Firmware flash compatibility ensures that low-level communication protocol stacks remain synchronized with controller processors during active industrial execution.\u003c\/p\u003e\n\u003ch3\u003eBill of Materials \u0026amp; Order Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-IM8 AC Input Module (Part Number: 1746IM8)\u003c\/li\u003e\n\u003cli\u003e1 x Removable Terminal Block (RTB) Connector Assembly\u003c\/li\u003e\n\u003cli\u003e1 x Technical Compliance Documentation Leaflet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Mounting \u0026amp; Wiring Installation Directives\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure chassis backplane power is completely isolated before inserting or extracting the AC input module.\u003c\/li\u003e\n\u003cli\u003eMount the unit into any available I\/O slot within the SLC 500 chassis, confirming proper mechanical alignment with guide rails.\u003c\/li\u003e\n\u003cli\u003eConnect field high-voltage sensor wiring to the removable terminal block using appropriately rated copper conductors.\u003c\/li\u003e\n\u003cli\u003eRoute AC input lines separately from low-voltage DC signals and communication cables to prevent electromagnetic coupling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQ: What is the primary operational function of this module within the control system?\u003c\/li\u003e\n\u003cli\u003eA: It detects and converts eight distinct 200\/240 VAC discrete field signals into logic-level states for the SLC 500 processor.\u003c\/li\u003e\n\u003cli\u003eQ: How many input channels are supported simultaneously by the hardware?\u003c\/li\u003e\n\u003cli\u003eA: The module provides eight independent discrete AC input channels on a single card.\u003c\/li\u003e\n\u003cli\u003eQ: What is the nominal input voltage rating for the circuit channels?\u003c\/li\u003e\n\u003cli\u003eA: The input circuitry is engineered specifically for 200\/240 VAC operational environments.\u003c\/li\u003e\n\u003cli\u003eQ: What is the specified operating temperature range for the unit?\u003c\/li\u003e\n\u003cli\u003eA: The hardware functions reliably within an ambient operating temperature range of 0 deg C to +60 deg C.\u003c\/li\u003e\n\u003cli\u003eQ: Does this module support live insertion and removal (hot-swapping)?\u003c\/li\u003e\n\u003cli\u003eA: No, power to the rack chassis must be turned off prior to installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eQ: Why must AC field wiring be physically separated from low-voltage cables?\u003c\/li\u003e\n\u003cli\u003eA: Separation suppresses high-voltage inductive switching noise from corrupting sensitive data signals or low-voltage loops.\u003c\/li\u003e\n\u003cli\u003eQ: How much power does the module draw from the rack?\u003c\/li\u003e\n\u003cli\u003eA: The unit consumes approximately 2.0 W of operational power during active monitoring states.\u003c\/li\u003e\n\u003cli\u003eQ: What routine maintenance checks are recommended?\u003c\/li\u003e\n\u003cli\u003eA: Periodically verify terminal screw torque values and confirm that cabinet cooling paths remain entirely clear.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066404622509,"sku":"1746-IM8","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-IM8_13.jpg?v=1785144416","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1746-im8-1746im8-allen-bradley-slc-500-240v-ac-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}